1995/0108/port/taslock.c (diff list | history)

1994/0808/sys/src/9/port/taslock.c:8,16 – 1995/0108/sys/src/9/port/taslock.c:8,35 (short | long | prev | next)
1992/0222		void lock(Lock *l) {
1995/0108		int n; if(up) { n = up->inlock+2; up->inlock = n; if(tas(&l->key) == 0) return; for(;;){ while(l->key) if(conf.nproc == 1) { up->yield = 1; sched(); } up->inlock = n; if(tas(&l->key) == 0) return; } }
1993/1204		if(tas(&l->key) == 0) return;
1994/0322
1993/0830		for(;;){
1994/0808		while(l->key) ;
1994/0808/sys/src/9/port/taslock.c:52,58 – 1995/0108/sys/src/9/port/taslock.c:71,85
1992/0222		void unlock(Lock *l) {
1995/0108		int n;
1992/0222		l->key = 0;
1995/0108		if(up) { n = up->inlock-2; if(n < 0) n = 0; up->inlock = n; }
1994/0322		} void